Home › JEE Advanced › Physics › Physics and Measurement › Dimension of universal gravitational constant G:
Dimension of universal gravitational constant G:
AM⁻¹L³T⁻² (from F = Gm₁m₂/r²)
BDimensionless
CMLT⁻²
DML²T⁻²
Answer & Solution
Correct answer: A. M⁻¹L³T⁻² (from F = Gm₁m₂/r²)
F = Gm₁m₂/r². G = Fr²/m₁m₂. [G] = MLT⁻² × L² / M² = M⁻¹L³T⁻². SI: N m²/kg² = 6.67 × 10⁻¹¹.
Related questions
Doubling the mass while holding the net force fixed changes the acceleration to:Doubling the net external force on a fixed mass changes the acceleration to:When a situation involves more than one object, it is important to analyse the motion of:The velocity of the centre of mass of a system changes only if there is:Contact forces such as tension, friction and the normal force are said to result from:Combining the two proportionalities for acceleration yields which law?Acceleration is described as exactly linearly proportional to which quantity?Acceleration is described as exactly inversely proportional to which quantity?